/ Dictionary / Index U ultima Thule: Meaning and Definition of Find definitions for: ul•ti•ma Thu•le Pronunciation: (ul'tu-mu th'lē Lat. &oobrevel'ti-mä&sec t'le), [key] (italics)the highest degree attainable. the farthest point; the limit of any journey. the point believed by the ancients to be farthest north. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ultimate strength ultimatum Related Content Daily Word Quiz: circumspect Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language